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Negative electrode diachylon used for high-performance AGM battery and preparing method thereof

A negative electrode paste, high-performance technology, applied in the direction of battery electrodes, circuits, electrical components, etc., can solve the problems of poor charge acceptance performance, poor dynamic charge acceptance performance, prone to sulfation of the negative plate, and difficulty in meeting the requirements of starting and stopping. Achieve the effect of comprehensive performance improvement, excellent charging acceptance performance, and improvement of dynamic acceptance characteristics

Active Publication Date: 2015-01-14
骆驼集团蓄电池研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is applied to a start-stop car, it still exists in a partial charge state for a long time, and the negative plate is extremely prone to sulfation, and the charging acceptance performance, especially the dynamic charging acceptance performance, is poor, and the battery life is terminated due to difficulty in charging. Meeting parking requirements

Method used

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  • Negative electrode diachylon used for high-performance AGM battery and preparing method thereof
  • Negative electrode diachylon used for high-performance AGM battery and preparing method thereof
  • Negative electrode diachylon used for high-performance AGM battery and preparing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Add 100kg of lead powder (with a mass fraction of 75% PbO) into the paste mixing machine. Add 0.1kg medium and high specific surface area carbon black, 0.3kg low specific surface area conductive carbon black, 0.5kg ultrafine barium sulfate, 0.1kg sodium lignosulfonate, 0.5kg humic acid into the water mixing tank, and then add 10kg of purified Water, stirred at high speed and mixed evenly, poured into the pasting machine, after wet mixing with lead powder, quickly drenched with a density of 1.400g / cm 3 (25°C) sulfuric acid 9kg, control the temperature of the paste at 60°C during the paste mixing process, stir evenly, cool down to 40°C, and get the negative electrode lead paste after the paste is produced.

Embodiment 2

[0035] Add 90kg of lead powder (with a mass fraction of 75% PbO) into the pasting machine. Add 1kg medium and high specific surface area carbon black, 0.2kg low specific surface area conductive carbon black, 0.3kg ultrafine barium sulfate, 0.1kg sodium lignosulfonate, 0.1kg humic acid into the water mixing tank, and then add 10kg of purified water , high-speed stirring and mixing evenly, pour into the paste machine, wet mix with lead powder evenly, and quickly drench with a density of 1.42g / cm 3 (25°C) sulfuric acid 3kg, control the temperature of the paste at 60°C during the paste mixing process, stir evenly, cool down to 40°C, and the paste is produced to obtain the negative electrode lead paste.

Embodiment 3

[0037]Add 100kg of lead powder (with a mass fraction of 80% PbO) into the paste mixing machine. Add 0.8kg of medium and high specific surface area carbon black, 1kg of low specific surface area conductive carbon black, 0.5kg of ultrafine barium sulfate, 2kg of sodium lignosulfonate, and 0.2kg of humic acid into the water mixing tank, and then add 15kg of purified water, Stir at high speed and mix evenly, pour it into the paste machine, wet mix it with lead powder evenly, and pour it quickly with a density of 1.42g / cm 3 (25°C) sulfuric acid 7kg, control the temperature of the paste at 50°C during the paste mixing process, stir evenly, cool down to 30°C, and get the negative electrode lead paste after the paste is produced.

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Abstract

The invention belongs to the technical field of lead storage batteries and relates to a negative electrode diachylon which is capable of improving dynamic charging acceptance performance of an AGM battery and a preparing method thereof. The negative electrode diachylon is capable of improving the dynamic charging acceptance performance of the AGM battery under the condition that the AGM battery has the advantages of being long in service life and strong in starting capacity, the probability of sulfation of a negative plate when the negative plate is in a partial charge state for a long time is reduced, and then starting and shut-down requirements are met.

Description

technical field [0001] The invention belongs to the technical field of lead storage batteries, and relates to a high-performance negative electrode paste for AGM batteries and a preparation method thereof, in particular to a negative electrode paste for improving the dynamic charging acceptance characteristics of AGM batteries and a preparation method thereof. Background technique [0002] Energy saving and environmental protection are the development direction of future automobiles. Europe has already legislated and plans to put CO2 in cars in 2015 2 Emissions are reduced to below 120g / km (higher than the Euro IV standard), which makes all European car manufacturers have to adopt new emission reduction systems and auxiliary power devices, and use stop / start (start stop) micro-hybrid systems For automobiles, it is only necessary to make minor improvements to the electrical system of the automobile, change the generator on the existing automobile to an engine / generator, add ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/38H01M4/62
CPCY02E60/10
Inventor 李建华钟锐王天成孟刚戴经明高国兴
Owner 骆驼集团蓄电池研究院有限公司
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